Remove import: ‘@config’ syntax, and implicitly import instead.

src/StarterKits/InstallableModules.php

@@ -77,7 +77,7 @@ protected function instantiateModuleRecursively(Collection|array|string $config,
     {
         if ($imported = $config === '@import') {
             $config = $this->importModuleConfig($key);
-        } elseif ($imported = Arr::get($config, 'import') === '@config') {
+        } elseif ($imported = $this->moduleConfigExists($key)) {
             $config = $this->importModuleConfig($key)->merge($config);
         }
 
@@ -170,6 +170,16 @@ protected function relativeModulePath(string $key, ?string $path = null): string
             : $base;
     }
 
+    /**
+     * Determine whether module config exists.
+     */
+    protected function moduleConfigExists(string $key): bool
+    {
+        return $this->files->exists(
+            $this->starterKitPath($this->relativeModulePath($key, 'module.yaml'))
+        );
+    }
+
     /**
      * Scope installable files to imported module.
      */

tests/StarterKits/InstallTest.php

@@ -1120,14 +1120,14 @@ public function it_can_merge_imported_module_config_with_starter_kit_config()
             'modules' => [
                 'seo' => [
                     'prompt' => 'Want some extra SEO magic?', // handle prompt flow here
-                    'import' => '@config', // but import and merge rest of config
+                    // implicitly import and merge rest of config in here
                 ],
                 'js' => [
                     'prompt' => 'Want one of these fancy JS options?',
                     'options' => [
                         'react' => [
                             'label' => 'React JS', // handle prompt option label here
-                            'import' => '@config', // but import and merge rest of config
+                            // implicitly import and merge rest of config in here
                         ],
                         'svelte' => [
                             'export_paths' => [
@@ -1154,7 +1154,7 @@ public function it_can_merge_imported_module_config_with_starter_kit_config()
             config: [
                 'label' => 'This should not get used, because prompt config in starter-kit.yaml takes precedence!',
                 'export_paths' => [
-                    $this->moveKitRepoFile('modules/js/react', 'resources/js/react.js'),
+                    $this->moveKitRepoFile('modules/js/react', 'resources/js/react.js'), // but this should still be imported and installed
                 ],
             ],
         );